# Optimal Biz Docs vs PT

The clearest difference is price: Optimal Biz Docs at Free against PT's $5.99. PT's advantage is update cadence (every 9 days vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Optimal Biz Docs is free to download; PT costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Optimal Biz Docs ships an update every 7 months, PT every 9 days. The most recent releases landed on October 11, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | Optimal Biz Docs | PT |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Size | 3 MB | 39 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPTiM Corporation](https://appshunter.io/developer/484555009) | [Katsushi Kawamori](https://appshunter.io/developer/1771822715) |

## What reviewers say

### Optimal Biz Docs

[App page](https://appshunter.io/ios/app/optimal-biz-docs/id797348056)

**Features:** Vision Pro support

**In-app purchases:** none


### PT

[App page](https://appshunter.io/ios/app/pt-syncer/id6739954521)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optimal Biz Docs free?

Optimal Biz Docs is free to download, with no in-app purchases.

### Is PT free?

PT costs $5.99, with no in-app purchases.

### Do Optimal Biz Docs or PT have ads?

Neither Optimal Biz Docs nor PT shows ads.

### Which is updated more often, Optimal Biz Docs or PT?

Optimal Biz Docs ships an update every 7 months, and PT every 9 days. Most recently, Optimal Biz Docs was updated on October 11, 2026 and PT on June 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*